- Daily practice at the CASA clinic: If patients opt for an abortion procedure after five days of statutory reflection they are coming to the clinic with an appointment. Before any procedure starts, patients have again a conversation with a doctor or nurse about their decision to have an abortion. If an abortion is inevitable and pregnancy lasts no longer than 16 weeks, the patient is immediately admitted to the clinic. If an abortion is inevitable and pregnancy lasts between 16 and 22 weeks, cervical priming with misoprostol is administered at least 90 minutes before the abortion procedure.